Home / 4,644.20-6,408.86-3,069.56

Finding the Fourth Proportional to 4,644.20, 6,408.86 and 3,069.56

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Solution

The fourth proportional to 4,644.20, 6,408.86 and 3,069.56 is: 4,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.20 : 6,408.86 = 3,069.56 : x
  2. Step 2: Convert to fraction form
    4,644.20/6,408.86 = 3,069.56/x
  3. Step 3: Cross multiply
    4,644.20x = 6,408.86 × 3,069.56
  4. Step 4: Simplify right side
    4,644.20x = 19,672,380.30
  5. Step 5: Solve for x
    x = 19,672,380.30/4,644.20
  6. Step 6: Final answer
    x = 4,235.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.